23144242142 has 32 divisors (see below), whose sum is σ = 40488341184. Its totient is φ = 9716428800.

The previous prime is 23144242141. The next prime is 23144242157. The reversal of 23144242142 is 24124244132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144242141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451292 + ... + 499952.

It is an arithmetic number, because the mean of its divisors is an integer number (1265260662).

Almost surely, 2^23144242142 is an apocalyptic number.

23144242142 is a deficient number, since it is larger than the sum of its proper divisors (17344099042).

23144242142 is a wasteful number, since it uses less digits than its factorization.

23144242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49364.

The product of its digits is 12288, while the sum is 29.

Adding to 23144242142 its reverse (24124244132), we get a palindrome (47268486274).

The spelling of 23144242142 in words is "twenty-three billion, one hundred forty-four million, two hundred forty-two thousand, one hundred forty-two".